Papers

Papers

11
Feb
2013
Co-authors:
Oleksiy S. Kim, DTU / Olav Breinbjerg, DTU

An accurate and efficient direct optimization technique for the design of contoured beam reflectarrays is presented. It is based on the spectral domain method of moments assuming local periodicity...

29
Oct
2012

In this paper, we present an efficient higher-order BoR-MoM in which the unknown surface current is discretized using hierarchical Legendre basis functions, that are adapted to the circular...

21
Oct
2012

The 3D reconstruction algorithm is applied to a slotted waveguide array measured at the DTU-ESA Spherical Near-Field Antenna Test Facility. One slot of the array is covered by conductive tape and...

03
Oct
2012

We present a new efficient design tool for rotationally symmetric reflector antennas, possibly including 3D support structures and waveguide components. The tool is based on a combination of four...

02
Oct
2012
Authors:

In this paper, an electrical performance verification methodology is proposed for the large deployable reflector antenna of the BIOMASS P-band (435 MHz) synthetic aperture radar (SAR). The...

02
Oct
2012

An accurate and efficient tool for the design of contoured beam reflectarrays is presented. It is based on the Spectral Domain Method of Moments, the Local Periodicity approach, and a minimax...

20
Jul
2012

It is demonstrated that nonsingular  higher-order hierarchical Legendre  basis functions are capable of accounting for the singularities of the electric currents at the edges of the reflectarray...

13
Jul
2012

Many exciting developments are underway at TICRA, as evidenced by recent and upcoming releases of new EM tools. One of the big news is the release of GRASP 10, which sets new standards for...

12
Jul
2012

An efficient power pattern synthesis of contoured beam reflectarrays is presented. Using the presented synthesis technique, an offset dual-polarized contoured beam reflectarray to cover an...

04
Apr
2012

Higher-order basis functions are commonly used for discretization of surface integral equations, which are typically solved by the Method of Moments (MoM). This leads to higher accuracy and lower...

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